def test_price_sort(self):
        page = BuyPage(self.driver)
        page.price_sort_btn.click()

        cards = page.read_cards()
        prices = [x.price for x in cards]
        for i in range(0, len(prices) - 1):
            self.assertTrue(prices[i] <= prices[i + 1])
 def test_region(self):
     page = BuyPage(self.driver)
     page.region_btn.click()
     page.region_input.send_keys(u'Казань')
     page.city_first_result.click()
     page.submit_region_btn.click()
     page.apply_filter_lnk.click()
     cards = page.read_cards()
     for x in cards:
         self.assertTrue(x.region == u'Казань')